Shareaza – Peer-to-Peer Client for Windows
http://www.shareaza.com/

Shareaza is a peer-to-peer client for Windows that allows you to download any file-type found on several popular P2P networks. Shareaza is FREE & contains NO Spyware or third-party products. This has been added to the peer-to-peer section of Deep Web Research Subject Tracer™ Information Blog.